hemangiopericytoma/höfuðverkur

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Cluster-like headache secondary to parasagittal hemangiopericytoma.

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We describe an original case of cluster-like headache CLH) revealing a parasagittal tumor invading the superior sagittal sinus (SSS). Resection of the tumor (hemangiopericytoma) allowed the re-permeabilization of the SSS and was followed by the complete disappearance of CLH. Several mechanisms

[Headache (with hypokalemia and reninism) and juvenile hypertension: hemangiopericytoma].

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Sudden death due to undiagnosed intracranial hemangiopericytoma.

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A previously healthy 9-year-old Japanese boy with a 4-day history of vomiting and headache died suddenly and unexpectedly. An external examination revealed no abnormalities other than foam around the mouth and nose. An internal examination revealed severe pulmonary edema and hemorrhagic

Lipomatous hemangiopericytoma of the skull base and parapharyngeal space.

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OBJECTIVE To discuss the diagnosis and clinical management of lipomatous hemangiopericytoma. METHODS Case report. METHODS Tertiary referral center. METHODS A 36-year-old woman was encountered with symptoms of facial numbness, blurred vision, headache, and lightheadedness of 6 weeks' duration.

Intracranial hemangiopericytoma: treatment outcomes in a consecutive series.

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OBJECTIVE The purpose of this study was to analyse a series of patients harbouring an intracranial hemangiopericytoma (HPC) with respect to clinical presentation, treatment results and long-term follow-up outcomes. METHODS Clinical data were retrospectively obtained in a series of 12 patients who

Regression of dural arteriovenous fistulae after venous flow reconstructive surgery in a case with hemangiopericytoma at the confluence of sinuses.

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BACKGROUND The mechanism by which acquired dural arteriovenous fistula (dAVF) develops is still unclear. Few cases have been reported with both dAVF and intracranial tumors, and in these few cases the authors have proposed that induced venous hypertension may lead to the pathogenesis of dAVF. We

[Solitary Fibrous Tumours/Hemangiopericytomas of the Maters(Meninx):A Clinicopathologic Analysis].

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To study the clinicopathologic characteristics,immunohistochemical features,differential diagnosis,and prognosis of solitary fibrous tumours(SFT)/hemangiopericytomas(HPC)in the maters(meninx). Methods A series of 7 cases previously diagnosed as SFT/HPC at the Department of Pathology,Peking Union

Occipital Falcine Anaplastic Hemangiopericytoma Mimicking Meningioma.

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The rarity of hemangiopericytoma (HPC) and its controversial histological classification result in its frequent misdiagnosis and thus make the treatment quite challenging. It is often difficult to distinguish these tumors from meningiomas based on clinical features and radiological findings. This is

Solitary lung metastasis from intracranial hemangiopericytoma 18 years after initial resection.

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We report a 29-year-old woman who presented with severe headache, nausea and vomiting. A lesion was found in the left petrous ridge and near-total resection was performed. Pathologic examination showed anaplastic hemangiopericytoma (World Health Organization Grade III). Hemangiopericytoma is an

[Clinicopathological study of primary meningeal hemangiopericytoma].

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OBJECTIVE Meningeal hemangiopericytoma is an uncommon tumor. This study was designed to investigate the clinicopathological and biology behavior of primary meningeal hemangiopericytoma. METHODS Clinical data, combined with histopathology and immunohistochemistry of 20 cases of meningeal

Hemangiopericytoma in the lateral ventricle.

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A 31-year-old female presented with a particularly rare hemangiopericytoma (HPC) in the right lateral ventricle manifesting as a 6-month history of visual disturbance and headache. Left hemianopsia and choked disc were identified by an ophthalmologist who referred her to us. Magnetic resonance

[Dorsal osseous hemangiopericytoma: a primary or metastatic tumour?].

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BACKGROUND Hemangiopericytomas are potentially malignant vascular tumours. They are usually located in the thighs, the buttocks and the retroperitoneum. Recurrence is very common and they produce metastases that are not usually intracranial within a period of not less than 24 months. Treatment

Pulmonary metastases of recurrent intracranial hemangiopericytoma diagnosed on fine needle aspiration cytology: a case report.

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BACKGROUND Meningeal hemangiopericytoma (HPC) is a rare neoplasm. It is closely related to hemangiopericytomas in systemic tissues, with a tendency to recur and metastasize outside the CNS. Only a few case reports describe the cytomorphologic appearance of these metastasizing lesions, most having

Intraventricular Hemangiopericytoma: A Case Report and Literature Review.

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BACKGROUND Hemangiopericytomas are rare intracranial neoplasms that generally occur in the fifth decade of life and are commonly dural-based, supratentorial tumors. They are classified as World Health Organization grade II or III because of their aggressive nature with high rates of local recurrence

Hemangiopericytoma in the trigone of the lateral ventricle--case report.

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A 40-year-old male presented with hemangiopericytoma in the lateral ventricle manifesting as headaches persisting for 6 months associated with vomiting and visual obscurations for one month. Computed tomography and magnetic resonance imaging of the brain showed a large tumor in the trigone of the

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